The Year-book for Colorists and Dyers, Volume 81906 - Dyes and dyeing |
From inside the book
Results 1-5 of 100
Page 53
is found advantageous in boiling with dilute acetic acid and dilute ammonia to repeat the extraction , as a better stripping is thereby obtained , and also with acid dyestuffs any staining of the cotton by the first strong extract is ...
is found advantageous in boiling with dilute acetic acid and dilute ammonia to repeat the extraction , as a better stripping is thereby obtained , and also with acid dyestuffs any staining of the cotton by the first strong extract is ...
Page 75
754,264 , March 8 , 1904 , which can be obtained by acting on anthraquinone - beta - mono - sulpho - acid with concentrated sulphuric acid , mercury or mercuric salts , and nitrous acid in the presence of arsenic acid or phosphoric acid ...
754,264 , March 8 , 1904 , which can be obtained by acting on anthraquinone - beta - mono - sulpho - acid with concentrated sulphuric acid , mercury or mercuric salts , and nitrous acid in the presence of arsenic acid or phosphoric acid ...
Page 76
The inventor has discovered that if equimolecular proportions of ortho - ortho - dichlor - para - phenylene - diamin and a phenol be oxidized together the reaction proceeds smoothly and there are obtained large quantities of new ...
The inventor has discovered that if equimolecular proportions of ortho - ortho - dichlor - para - phenylene - diamin and a phenol be oxidized together the reaction proceeds smoothly and there are obtained large quantities of new ...
Page 77
This invention relates to the manufacture of a new dyestuff which can be obtained by treating with formic aldehyde and sulphuric acid the blue dye obtainable by heating 1-3 - dibromo2 - amidoanthraquinone with cupric chlorid ...
This invention relates to the manufacture of a new dyestuff which can be obtained by treating with formic aldehyde and sulphuric acid the blue dye obtainable by heating 1-3 - dibromo2 - amidoanthraquinone with cupric chlorid ...
Page 78
Upon treatment with hydrosulphite of sodium and caustic - soda lye the dyestuff is transformed into its hydro compound , a greenish - blue vat being thus obtained which dyes cotton greenishblue pure and fast shades .
Upon treatment with hydrosulphite of sodium and caustic - soda lye the dyestuff is transformed into its hydro compound , a greenish - blue vat being thus obtained which dyes cotton greenishblue pure and fast shades .
What people are saying - Write a review
We haven't found any reviews in the usual places.
Other editions - View all
Common terms and phrases
acetic acid action added addition Agent or Name Alizarine alkali ammonia Anilin Anthracene apparatus assignor bath Black Blue body Boil Brilliant Brown carbonate CD CD CD cent chlorid Chrome color coloring-matters combination compounds conc consists containing cotton crystals Cyanine Dark dated Diamine Direct DISCHARGE dissolved Dye Method dyed dyestuff employed extra fabric Fast fibre gallons Germany Green heated hydrosulphite Indigo invention relates Lakes machine Maker manufacture material Math WGS means Methyl mixed mixture mordant Mz WGS Name of Dye obtained Orange oxidizing paste Patent PK WGS pounds powder preferably prepared present printing quantity reaction reducing salts Scarlet shades soda sodium soluble solution steam suitable Sulphur sulphuric acid temperature Thiogene treated Violet washing WCh WCh WGS WGS WGSCh wool Yellow yield York Ву